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solve:- (2x 2 -9x+4) 1/2 + 3(2x-1) 1/2 =(2x 2 +21x-11) 1/2

solve:-


(2x2-9x+4)1/2 + 3(2x-1)1/2 =(2x2+21x-11)1/2

Grade:

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear sayam

(2x2-9x+4)1/2 + 3(2x-1)1/2 =(2x2+21x-11)1/2

square

(2x2-9x+4) + 9(2x-1)  +6(2x2-9x+4)1/2(2x-1)1/2 =(2x2+21x-11)

simplify

 (2x2-9x+4)1/2 =(2x-1)1/2

square again

(2x2-9x+4) =(2x-1) 

 (2x2-11x+5) =0

now solve

 x= (11 ± √41) /4


 

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